NEWPORT, R.I. – Second-seeded Ivo Karlovic of Croatia used his overpowering serve to beat American Robby Ginepri 7-6 (2), 6-2 Monday in the opening round of the Hall of Fame Tennis Championships.

The 6-foot-11 Karlovic had 17 aces and only two double-faults, winning 92 percent of his first-serve points during breezy conditions on the grass at Newport.

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The tournament is held in conjunction with the International Tennis Hall of Fame induction ceremonies. On Saturday, Lindsay Davenport heads a class that includes coach Nick Bollettieri, executive Jane Brown Grimes and broadcaster John Barrett in the contributor category and five-time Paralympic medalist Chantal Vandierendonck.

The Hall of Fame Championships is the only tournament in North America held on grass courts.